First, I would suggest you should only run same type/make of memory in your notebook, to avoid any unwanted issues.

Secondly, if the remaining memory stick is 1GB, then exchange it for a 2 GB module as well, this way you will have two identical 2GB sticks. However, if it is a 2 GB stick; I suggest you to get the same type of second module.

Lastly, SODIMMs are expensive when compared to PC modules. Therefore, instead of trying to cut corners/save money get something reliable and from good local vendor.

First, I would suggest you should only run same type/make of memory in your notebook, to avoid any unwanted issues.

Secondly, if the remaining memory stick is 1GB, then exchange it for a 2 GB module as well, this way you will have two identical 2GB sticks. However, if it is a 2 GB stick; I suggest you to get the same type of second module.

Lastly, SODIMMs are expensive when compared to PC modules. Therefore, instead of trying to cut corners/save money get something reliable and from good local vendor.

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Great but all my local dealers dont have this type of ram... iv tried asking them to order it in for me but they refuse to do so.

The specs are listed on the links I've given you; what you can do is download CPUz, and compare your currently installed modules all specifications with the ones I've proposed; if they match you wouldn't need to worry I believe.

About price difference I am at loss; I hope someone with more knowledge in pricing area will have a look and clarify stuff for you; right now I can only think of Tax/Duties etc. imposed in your area may be the cause.

The specs are listed on the links I've given you; what you can do is download CPUz, and compare your currently installed modules all specifications with the ones I've proposed; if they match you wouldn't need to worry I believe.

About price difference I am at loss; I hope someone with more knowledge in pricing area will have a look and clarify stuff for you; right now I can only think of Tax/Duties etc. imposed in your area may be the cause.

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Ok thanks a lot. You been great help.

you helped me find a good website for buying online hardware which i thank you lots for. Thanks!

i will download and compair then get back if i come accross problems. Thanks!

Try either TigerDirect or Microcenter. TD generally has good deals as well, but I don't know what they're shipping location is like. As for MC, I know nothing about them other than seeing others on this site advertise them.

You need to go the Memory sub-section; then click on DDR3 SODIMM. There are several listings in that section, from which you can choose (they have listed all the categories at the top in 'All' Section).

Also check tigerdirect.com; they do ship internationally, but you need to place order on telephone I think (you'll need to pay shipping/handling + any other charges etc.).

There are several types of PC3-8500 SODIMMS; so please do ensure you are getting the right one by checking your current RAM's speed/timings etc. with ones you are going to buy. Goodluck.